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Finding the Fourth Proportional to 99,793.35, 149,690.03 and 97,825.05

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Solution

The fourth proportional to 99,793.35, 149,690.03 and 97,825.05 is: 146,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793.35 : 149,690.03 = 97,825.05 : x
  2. Step 2: Convert to fraction form
    99,793.35/149,690.03 = 97,825.05/x
  3. Step 3: Cross multiply
    99,793.35x = 149,690.03 × 97,825.05
  4. Step 4: Simplify right side
    99,793.35x = 14,643,434,180.13
  5. Step 5: Solve for x
    x = 14,643,434,180.13/99,793.35
  6. Step 6: Final answer
    x = 146,737.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.